package cn.tedu.jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

public class JDBCLogin {
    public static void main(String[] args) {
        try(Connection connection = DBUtil.getConnection();){

            Scanner scanner = new Scanner(System.in);
            System.out.println("请输入用户名:");
            String username = scanner.nextLine();
            System.out.println("请输入密码:");
            String password = scanner.nextLine();

            Statement statement = connection.createStatement();
            String sql ="SELECT nickname FROM userinfo WHERE username = '"+username+"'AND password ='" +password+"'";
            ResultSet r = statement.executeQuery(sql);

            if(r.next()){
                String nickname = r.getString("nickname");
                System.out.println("登录成功,欢迎您"+nickname);

            }else{
                System.out.println("登录失败");
            }

        }catch(SQLException e){
            throw new RuntimeException(e);
        }
    }

}
